The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2001
Filed:
Jun. 29, 1999
Patrick Vanhee, Briey, FR;
Sollac, Puteaux, FR;
Abstract
The invention relates to an apparatus for detecting surface defects on a running metal strip (,), which comprises means (,) for illuminating the area (,) of the strip (,) to be inspected, at least one pair of cameras (,) each periodically capturing an image of the same portion (,) of said area (,), a computing unit (,) comprising means for reconstructing a stereoscopic image of said portion (,) from the images provided by the pair of cameras (,), means for detecting, on said stereoscopic image, those objects which exhibit a relief—as a projection or as an indentation—with respect to the surface of the strip (,) greater than a predetermined threshold, means for analyzing the images of said objects and means (,) for displaying the result of this analysis to the operator.